Search results for: 'agress française du01 jeux à pyrit'

An EXCELLENT Aegocrioceras sp., an early Cretaceous ammonite, from Germany showing intricate structure. Excellent color! Large size. An old collection piece. A fantastic display item! Authenticity guaranteed. My last one

X270 BoP2       Size: 3"

Adding 10 German Ammonites in October 2022.    Link to Pyritized ammonites.

A very rare, LARGE, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. A rare double crown section with lots of pyrite. Excellent preservation, serrations, and serration detail. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion or a vertical whipping motion to cut prey. It is the first animal to cut vertically. A very strange looking and unique acting shark. Shark recreation image is credited to Julio Lacerdo. These rare teeth are Pennsylvanian age from Illinois. No repair or restoration. Authenticity guaranteed. 

I04        SIZE:  3" w/ root  (1-7/8" crown) 

Adding 22 Edestus shark teeth in July 2025.    Link to Edestus shark.

A Devonian sea floor slab with a Eldredgops (Phacops) rana milleri trilobite from the Silica Shale Formation of Ohio. The also three large pyrite replaced Paraspirifer bownockeri brachiopods, three Mucrospirifer mucronatus brachiopods, and other specimens. The Eldredgops has excellent detail on the compound eyes - very well preserved. The quality of the Silica Shale Fm. fossils are incredible. A rare sea floor specimen from the Middle Devonian (380 mya), Silica Shale Fm. from Lucas Co., Ohio. You don't see multi-species slabs for sale. A Museum Quality specimen. One of my favorites!  Note - This item weighs 9 lbs. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.

X101      Eldredgops  Size: 1-3/4"   ;    Paraspirifer  Size: 2-1/4" ;      Mucrospirifer Size: 1-1/8"

Note - Posting 5 trilobites in December 2021.  ->  Link to US Trilobites.

A very rare, LARGE, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Note - this tooth has a lot of pyrite and the tip is naturally rounded (polished)  which thought to be due to the vertical whipping motion used to slice prey.  Excellent preservation, serrations, and serration detail. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion or a vertical whipping motion to cut prey. It is the first animal to cut vertically. A very strange looking and unique acting shark. Shark recreation image is credited to Julio Lacerdo. These rare teeth are Pennsylvanian age from Illinois. No repair or restoration. Authenticity guaranteed. 

I09        SIZE:  4-1/8" w/ root  (1-7/8" crown) 

Adding 22 Edestus shark teeth in July 2025.    Link to Edestus shark.

An ultra rare, Top Quality Edestus heinrichi, a complete whorl with three crowns from Herrin, Illinois. A July Fossil of the Month. This is a Paleozoic shark that lived in swamp that our now underground coal deposits. Exceptional preservation, serrations, and serration detail. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion to cut prey. It is the first animal to cut vertically with linear tooth whorls. A very strange looking and unique acting shark. This whorl is incredibly massive at 6" long with three crowns. The whorl body is well perserved with an excellent bright line of pyrite below the crown enamel. The crowns are large at 1-5/8" wide and look fantastic. Note - One crown tip has a small professional repair (~1/8") which is very common for a whorl. Pennsylvanian age from Illinois. Authenticity guaranteed. The Edestus shark recreation image is credited to Julio Lacerdo. These Edestus whorls are extremely rare. This whorl comes with a custon steel stand and  makes a fantastic display piece. My lowest price ever for a complete whorl! 

I01        SIZE:  6" whorl  (1-5/8"+ crowns)  ;  Height is 4-1/8" on stand.

Adding 22 Edestus shark teeth in July 2025.    Link to Edestus shark.

A TOP QUALITY Dalmanites trilobite from the Silurian of New York. This trilobite exhibits a very interesting design with a long tail spine! Beautifully prepared. A TOP QUALITY specimen from the Silurian (435 mya), Rochester Shale from Medina, New York. A gorgeous specimen and a very scarce species! No repair or restoration. No cracks. Authenticity guaranteed. Matrix is 3-1/2" x 3-3/4".

X128         Size: 2-1/8"

Note - Adding 2 Dalmanites trilobites in December 2023.  ->  Link to US Trilobites.

An EXTRA LARGE, TOP QUALITY Dalmanites trilobite from the Silurian of New York. This trilobite exhibits a very interesting design with a long tail spine! A December Fossil of the Month. Beautifully prepared. A TOP QUALITY specimen from the Silurian (435 mya), Rochester Shale from Medina, New York. A gorgeous specimen and a very scarce species! No repair or restoration. No cracks. Authenticity guaranteed. Matrix is 4-1/2" x 3". Note: Large and heavy Orthoceras plates will require a supplemental international shipping charge. This items weighs 2.75 lbs. to ship.  Please request quote. 

X127         Size: 3"

Note - Adding 2 Dalmanites trilobites in December 2023.  ->  Link to US Trilobites.

A ~5" GEM JET BLACK colored Megalodon - lower jaw ANTERIOR tooth. An exceptional true black crown - not a charcoal gray color. Highest quality enamel - the surface is like glass! The large jet black bourlette is essentially complete. The large serrations are razor sharp with a good tip. The serrations are essentially complete - rare for a big Meg! The root has few hydration cracks and is complete. A GEM BLACK Meg tooth from the Miocene. A killer collector's tooth!

SC045              Size: 4-15/16" (3-15/16" W)

A FOTM is back. A GREEN TOP QUALITY, EXTRA LARGE Megalodon upper jaw PRINCIPAL ANTERIOR tooth from the So. Edisto River, So. Carolina. A fantastic green colored crown with tan color approaching the tip, and the serration color fades to a charcoal gray color. Very cool colors! High quality enamel. The bourlette is brown.The serrations show some wear, and are essentially complete with a good tip serration. Very good serrations for a big Meg. The root is nicely articulated with a nice brown color. Excellent symmetry. This is an excellent big Meg. Weighs more than 1 lb. NO repair! AN EXCEPTIONAL BIG GREEN MEG from So. Edisto River. MUSEUM QUALITY. The BEST of the BEST! Be sure to see all of our Fossil Tooth of the Month selections!

SC064                 SIZE: 6-1/4" (4-1/2'' W)

A TOP QUALITY, EXTRA LARGE Megalodon upper jaw PRINCIPAL ANTERIOR tooth from a special location near Savannah, Georgia. Gorgeous solid light tan color with a black bourlette - excellent color and highest quality enamel. The crown has a unique spade shape - a rare, very showy extra wide crown. The black bourlette is excellent and large. The serrations are very sharp with an excellent tip serration. Exceptional serrations for a big Meg. Root is complete and a gorgeous dark brown color. Excellent symmetry.  This is an exceptional, well preserved big Meg. Weighs more than 1.25 lbs. NO repair! AN EXCEPTIONAL BIG MEG. MUSEUM QUALITY. This is a VERY SPECIAL BIG Collector's Meg. The BEST of the BEST! Georgia Meg.  Be sure to see all of our Fossil Teeth of the Month selections!

SC053             SIZE: 6-1/4"  (4-5/8" W)

A rare, incredibly preserved Asterocidaris bistriata, a fossil club echinoid. The specimen is fully inflated. nicely articulated, and complete with spines - a very aesthetic display. This fantastic echinoid is middle Jurassic period from from Bouleman, Middle Atlas Mts., Morocco. A very special collector item and a fastastic display piece. NO repair! The BEST of the BEST!

M2041

A rare, incredibly preserved Asterocidaris meandrina, a fossil club echinoid. The specimen is fully inflated. nicely articulated, and complete with bulbous spines - a very aesthetic display. This fantastic echinoid is middle Jurassic period from from Bouleman, Middle Atlas Mts., Morocco. A very special collector item and a fantastic display piece. NO repair! The BEST of the BEST!

M2042